His father reported him missing after he wouldn't answer his cell phone and failed to meet his girlfriend at noon. This sparked the door-to-door search, which involved police, firefighters and the university's faculty and students.

Alcohol is suspected as being a factor in the case, according to a Granville police statement.

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Tragic: David Hallman III, pictured right with his girlfriend, was found dead Saturday after falling asleep outside in freezing tempuratures

'David was located Saturday night across the street from the Granville Golf Course, where it appears he had fallen asleep and then succumbed to hypothermia,' vice president for student development Laurel Kennedy wrote in a memo to the Denison community.

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Hallman was a history major who was well-known on the small liberal-arts campus.

'David was a member of the men's swimming and diving team for his first three years and was very close to that group,' Kennedy added.

He was due to compete this week in the North Coast Athletic Conference Swimming and Diving Championship meet on Wednesday through Saturday at Denison.

During the search, residents were
handed photos of the young man and asked to check their garages and
sheds - anywhere he may have sought shelter from the cold, the Columbus Dispatch reported.

Search: The body of the 21-year-old, pictured right at a swimming comp with friends, was discovered by Denison University officials outside a garage in a condo complex 10:30 p.m. Saturday after an intensive search

Concern: The Erie, Pennsylvania, native, pictured left and right, was last seen leaving a downtown Granville restaurant around 2 a.m. Saturday. His father reported him missing

A police helicopter later circled the village looking for the student.

When he went missing, he was wearing a black North Face jacket, a navy blue dress shirt and blue jeans, according to a Granville police alert. He was not wearing a heavy coat. A staff member at Brews Cafe later told 10TV News he left without it.

At 10:34 p.m., police received a call about a 'man down,' after he had been located by a woman just a half mile from where he was last seen and in the opposite direction of the Denison campus, on a similar-looking hill.

'I believe we have found the missing student... he's lying on the, we haven't gone up to him he's not moving, he's lying face down,' she told 11 dispatchers.

Family: The history major, pictured with his girlfriend and family, was popular at his college and hundreds showed up at the chapel to mourn him

University: Hallman was discovered a hale mile from where he was last seen and in the opposite direction from the snowy Denison University, pictured

The university delivered the news to
students about an hour later and soon the campus chapel was full of his
friends and acquaintances who came to mourn the loss of their peer.

Others paid their respects on Facebook.

His college roommate, Eric Fischer, wrote: 'David was a guy who could make people laugh but he will always mean much more than that for me. As my roommate, he was one of my best friends and best teammates.

But most of all he was the guy I could not stop loving despite all of our political arguments. I will remember you forever Dave-O.'

Earlier he had written a plea to help find his roommate.

Scene: At 10:34 p.m., police received a call about a 'man down,' after he had been located by university staff just a half mile from where he was last seen

Sad: The senior apparently left the bar without his coat and was discovered face down in the cold some 20 hours later

Another friend, Morgan Nuess wrote 'RIP Dave. Miss you always,' and changed her profile picture to one of the two together.

Meanwhile, Jackson Humphrey wrote, 'If there's something we can learn from this whole experience, it's to ensure that the people closest to you know how much they mean to you. Say I love you loud and often, because in the end, you never know how many opportunities you have with those people that mean so much to you.'

He added that David 'had the ability to make you laugh until you cry, just a single word that he said could turn your day around. He was a great teammate, student, role model, friend, and to me, a brother.'

Granville police are awaiting reports from the Licking County Coroner's Office and the Ohio Bureau of Criminal Investigation. They did not suspect foul play.